{
  "manageEntity": {
    "action": "Update",
    "entityId": "297034379",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x46d8ab9230871a7ec5876be6b89823609fdc4c30c404bd880c8c9d96bddcda03",
    "signature": "0x9b5359bdeadc7e8ba0edffd8c40a3be6d986226e9e8414bb7e4d2cf7cf504a430249c296b4bf19a9b65d8c2a08221efbb5e8aa4b9dddd4581d7d8a7b71df7e4d1c",
    "signer": "0xeCc7A1b9504A18Fe797f731a5137dd813D09b462",
    "userId": "297034379"
  }
}